Scores on a standardized test are normally distributed,

Last updated: 8/8/2022

Scores on a standardized test are normally distributed, perfectly symmetric and mound shaped, with a mean of 100 and a standard deviation of 20. If these scores are converted to standard normal z scores, which of the following statements will be correct? The mean of the standardized z-scores will equal 100. Both the mean and median score will equal 0. The mean of the standardized z-scores will equal 5. The mean will equal 0, but the median cannot be determined.